9x^2+8x+16=24x+17

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Solution for 9x^2+8x+16=24x+17 equation:


Simplifying
9x2 + 8x + 16 = 24x + 17

Reorder the terms:
16 + 8x + 9x2 = 24x + 17

Reorder the terms:
16 + 8x + 9x2 = 17 + 24x

Solving
16 + 8x + 9x2 = 17 + 24x

Solving for variable 'x'.

Reorder the terms:
16 + -17 + 8x + -24x + 9x2 = 17 + 24x + -17 + -24x

Combine like terms: 16 + -17 = -1
-1 + 8x + -24x + 9x2 = 17 + 24x + -17 + -24x

Combine like terms: 8x + -24x = -16x
-1 + -16x + 9x2 = 17 + 24x + -17 + -24x

Reorder the terms:
-1 + -16x + 9x2 = 17 + -17 + 24x + -24x

Combine like terms: 17 + -17 = 0
-1 + -16x + 9x2 = 0 + 24x + -24x
-1 + -16x + 9x2 = 24x + -24x

Combine like terms: 24x + -24x = 0
-1 + -16x + 9x2 = 0

Begin completing the square.  Divide all terms by
9 the coefficient of the squared term: 

Divide each side by '9'.
-0.1111111111 + -1.777777778x + x2 = 0

Move the constant term to the right:

Add '0.1111111111' to each side of the equation.
-0.1111111111 + -1.777777778x + 0.1111111111 + x2 = 0 + 0.1111111111

Reorder the terms:
-0.1111111111 + 0.1111111111 + -1.777777778x + x2 = 0 + 0.1111111111

Combine like terms: -0.1111111111 + 0.1111111111 = 0.0000000000
0.0000000000 + -1.777777778x + x2 = 0 + 0.1111111111
-1.777777778x + x2 = 0 + 0.1111111111

Combine like terms: 0 + 0.1111111111 = 0.1111111111
-1.777777778x + x2 = 0.1111111111

The x term is -1.777777778x.  Take half its coefficient (-0.888888889).
Square it (0.7901234570) and add it to both sides.

Add '0.7901234570' to each side of the equation.
-1.777777778x + 0.7901234570 + x2 = 0.1111111111 + 0.7901234570

Reorder the terms:
0.7901234570 + -1.777777778x + x2 = 0.1111111111 + 0.7901234570

Combine like terms: 0.1111111111 + 0.7901234570 = 0.9012345681
0.7901234570 + -1.777777778x + x2 = 0.9012345681

Factor a perfect square on the left side:
(x + -0.888888889)(x + -0.888888889) = 0.9012345681

Calculate the square root of the right side: 0.94933375

Break this problem into two subproblems by setting 
(x + -0.888888889) equal to 0.94933375 and -0.94933375.

Subproblem 1

x + -0.888888889 = 0.94933375 Simplifying x + -0.888888889 = 0.94933375 Reorder the terms: -0.888888889 + x = 0.94933375 Solving -0.888888889 + x = 0.94933375 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.888888889' to each side of the equation. -0.888888889 + 0.888888889 + x = 0.94933375 + 0.888888889 Combine like terms: -0.888888889 + 0.888888889 = 0.000000000 0.000000000 + x = 0.94933375 + 0.888888889 x = 0.94933375 + 0.888888889 Combine like terms: 0.94933375 + 0.888888889 = 1.838222639 x = 1.838222639 Simplifying x = 1.838222639

Subproblem 2

x + -0.888888889 = -0.94933375 Simplifying x + -0.888888889 = -0.94933375 Reorder the terms: -0.888888889 + x = -0.94933375 Solving -0.888888889 + x = -0.94933375 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.888888889' to each side of the equation. -0.888888889 + 0.888888889 + x = -0.94933375 + 0.888888889 Combine like terms: -0.888888889 + 0.888888889 = 0.000000000 0.000000000 + x = -0.94933375 + 0.888888889 x = -0.94933375 + 0.888888889 Combine like terms: -0.94933375 + 0.888888889 = -0.060444861 x = -0.060444861 Simplifying x = -0.060444861

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.838222639, -0.060444861}

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